[INFO] crate frunk_laws 0.3.0 is already in cache
[INFO] extracting crate frunk_laws 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/frunk_laws/0.3.0
[INFO] extracting crate frunk_laws 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frunk_laws/0.3.0
[INFO] validating manifest of frunk_laws-0.3.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of frunk_laws-0.3.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing frunk_laws-0.3.0
[INFO] finished frobbing frunk_laws-0.3.0
[INFO] frobbed toml for frunk_laws-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/frunk_laws/0.3.0/Cargo.toml
[INFO] started frobbing frunk_laws-0.3.0
[INFO] finished frobbing frunk_laws-0.3.0
[INFO] frobbed toml for frunk_laws-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frunk_laws/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing frunk_laws-0.3.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frunk_laws/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5527c09b931260476360b6571285ff3b2cf1ba894a27aaec9e47c12ac137562c
[INFO] running `"docker" "start" "-a" "5527c09b931260476360b6571285ff3b2cf1ba894a27aaec9e47c12ac137562c"`
[INFO] [stderr]    Compiling frunk_core v0.3.0
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.0.3
[INFO] [stderr]    Compiling frunk_derives v0.3.0
[INFO] [stderr]    Compiling frunk v0.3.0
[INFO] [stderr]    Compiling frunk_laws v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.59s
[INFO] running `"docker" "inspect" "5527c09b931260476360b6571285ff3b2cf1ba894a27aaec9e47c12ac137562c"`
[INFO] running `"docker" "rm" "-f" "5527c09b931260476360b6571285ff3b2cf1ba894a27aaec9e47c12ac137562c"`
[INFO] [stdout] 5527c09b931260476360b6571285ff3b2cf1ba894a27aaec9e47c12ac137562c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frunk_laws/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 51cbb9294ace0848329d14ca658e56ad10125b9cbd5f8f4772e27f10dec38bfd
[INFO] running `"docker" "start" "-a" "51cbb9294ace0848329d14ca658e56ad10125b9cbd5f8f4772e27f10dec38bfd"`
[INFO] [stderr]    Compiling frunk_laws v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `"docker" "inspect" "51cbb9294ace0848329d14ca658e56ad10125b9cbd5f8f4772e27f10dec38bfd"`
[INFO] running `"docker" "rm" "-f" "51cbb9294ace0848329d14ca658e56ad10125b9cbd5f8f4772e27f10dec38bfd"`
[INFO] [stdout] 51cbb9294ace0848329d14ca658e56ad10125b9cbd5f8f4772e27f10dec38bfd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frunk_laws/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 96eac4c217c64c2bc273fcec6d08862ce0c4c709e12fb898ce1fded646d98030
[INFO] running `"docker" "start" "-a" "96eac4c217c64c2bc273fcec6d08862ce0c4c709e12fb898ce1fded646d98030"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/frunk_laws-1ca71f22c3f18999
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test monoid_laws::tests::i16_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::isize_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::i8_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_i8_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_i16_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::i64_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::all_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::i32_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_u8_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::any_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_i32_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_i64_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_u16_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_u64_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_u32_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_isize_id_prop ... ok
[INFO] [stdout] test semigroup_laws::tests::any_prop ... ok
[INFO] [stdout] test semigroup_laws::tests::all_prop ... ok
[INFO] [stdout] test semigroup_laws::tests::max_prop ... ok
[INFO] [stdout] test monoid_laws::tests::u32_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::product_usize_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::usize_id_prop ... ok
[INFO] [stdout] test semigroup_laws::tests::min_prop ... ok
[INFO] [stdout] test monoid_laws::tests::u16_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::u8_id_prop ... ok
[INFO] [stdout] test monoid_laws::tests::u64_id_prop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frunk_laws
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/monoid_laws.rs - monoid_laws::right_identity (line 48) ... FAILED
[INFO] [stdout] test src/monoid_laws.rs - monoid_laws::left_identity (line 28) ... FAILED
[INFO] [stdout] test src/monoid_laws.rs - monoid_laws (line 8) ... FAILED
[INFO] [stdout] test src/semigroup_laws.rs - semigroup_laws (line 5) ... FAILED
[INFO] [stdout] test src/semigroup_laws.rs - semigroup_laws::associativity (line 25) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/monoid_laws.rs - monoid_laws::right_identity (line 48) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `std::string::String: frunk::Monoid` is not satisfied
[INFO] [stdout]  --> src/monoid_laws.rs:56:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | quickcheck(right_identity as fn(String) -> bool);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ the trait `frunk::Monoid` is not implemented for `std::string::String`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required by `frunk_laws::monoid_laws::right_identity`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/monoid_laws.rs - monoid_laws::left_identity (line 28) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `std::string::String: frunk::Monoid` is not satisfied
[INFO] [stdout]  --> src/monoid_laws.rs:36:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | quickcheck(left_identity as fn(String) -> bool);
[INFO] [stdout]   |            ^^^^^^^^^^^^^ the trait `frunk::Monoid` is not implemented for `std::string::String`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required by `frunk_laws::monoid_laws::left_identity`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/monoid_laws.rs - monoid_laws (line 8) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `std::string::String: frunk::Monoid` is not satisfied
[INFO] [stdout]  --> src/monoid_laws.rs:16:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | quickcheck(left_identity as fn(String) -> bool);
[INFO] [stdout]   |            ^^^^^^^^^^^^^ the trait `frunk::Monoid` is not implemented for `std::string::String`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required by `frunk_laws::monoid_laws::left_identity`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::string::String: frunk::Monoid` is not satisfied
[INFO] [stdout]   --> src/monoid_laws.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | quickcheck(right_identity as fn(String) -> bool);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ the trait `frunk::Monoid` is not implemented for `std::string::String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required by `frunk_laws::monoid_laws::right_identity`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/semigroup_laws.rs - semigroup_laws (line 5) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `std::vec::Vec<i8>: frunk::Semigroup` is not satisfied
[INFO] [stdout]  --> src/semigroup_laws.rs:13:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | quickcheck(associativity as fn(Vec<i8>, Vec<i8>, Vec<i8>) -> bool)
[INFO] [stdout]   |            ^^^^^^^^^^^^^ the trait `frunk::Semigroup` is not implemented for `std::vec::Vec<i8>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required by `frunk_laws::semigroup_laws::associativity`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/semigroup_laws.rs - semigroup_laws::associativity (line 25) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `std::vec::Vec<i8>: frunk::Semigroup` is not satisfied
[INFO] [stdout]  --> src/semigroup_laws.rs:33:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | quickcheck(associativity as fn(Vec<i8>, Vec<i8>, Vec<i8>) -> bool)
[INFO] [stdout]   |            ^^^^^^^^^^^^^ the trait `frunk::Semigroup` is not implemented for `std::vec::Vec<i8>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required by `frunk_laws::semigroup_laws::associativity`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/monoid_laws.rs - monoid_laws (line 8)
[INFO] [stdout]     src/monoid_laws.rs - monoid_laws::left_identity (line 28)
[INFO] [stdout]     src/monoid_laws.rs - monoid_laws::right_identity (line 48)
[INFO] [stdout]     src/semigroup_laws.rs - semigroup_laws (line 5)
[INFO] [stdout]     src/semigroup_laws.rs - semigroup_laws::associativity (line 25)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "96eac4c217c64c2bc273fcec6d08862ce0c4c709e12fb898ce1fded646d98030"`
[INFO] running `"docker" "rm" "-f" "96eac4c217c64c2bc273fcec6d08862ce0c4c709e12fb898ce1fded646d98030"`
[INFO] [stdout] 96eac4c217c64c2bc273fcec6d08862ce0c4c709e12fb898ce1fded646d98030